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#ifndef _AER_SCORER_
#define _AER_SCORER_
#include <boost/shared_ptr.hpp>
#include "scorer.h"
#include "array2d.h"
class AERScorer : public SentenceScorer {
public:
// when constructing alignment strings from a hypergraph, the source
// is necessary.
AERScorer(const std::vector<std::vector<WordID> >& refs, const std::string& src = "");
Score* ScoreCandidate(const std::vector<WordID>& hyp) const;
Score* ScoreCCandidate(const std::vector<WordID>& hyp) const;
static Score* ScoreFromString(const std::string& in);
const std::string* GetSource() const;
private:
std::string src_;
boost::shared_ptr<Array2D<bool> > ref_;
};
#endif
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